1.

(i) Karl Pearson introduced the concept of Standard deviation. (ii) Standard Deviation is one of the methods of Relative measure of dispersion.(a) Both (i) and (ii) are true (b) Both (i) and (ii) are false (c) (i) is true but (ii) is false(d) (i) is false but (ii) is true

Answer»

(c) (i) is true but (ii) is false



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